com.saxonica.bytecode.map

## Class CompiledItemMappingFunction

- java.lang.Object
- - com.saxonica.bytecode.map.CompiledItemMappingFunction

- All Implemented Interfaces:
    ItemMappingFunction

      public abstract class CompiledItemMappingFunction
      extends Object
      implements ItemMappingFunction

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `CompiledItemMappingFunction()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract Item` | `mapItem(Item item)` Map one item to another item.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### CompiledItemMappingFunction

          public CompiledItemMappingFunction()

  - ### Method Detail

    - #### mapItem

          public abstract Item mapItem(Item item)
                                throws XPathException

      Description copied from interface: `ItemMappingFunction`
      Map one item to another item.
      Specified by:
        `mapItem` in interface `ItemMappingFunction`
      Parameters:
        `item` - The input item to be mapped.
      Returns:
        either the output item, or null.
      Throws:
        `XPathException` - if a dynamic error occurs

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